Recruiting specialist teachers takes more than just encouraging them to study science and maths at university. Governments and wider society needs to come on board too.

President Donald Trump shakes the hand of EPA chief Scott Pruitt after he announcing the withdrawal of the United States from the Paris climate agreement on June 1, 2017. Pruitt submitted his resignation in July 2018 after a series of scandals.
Win McNamee/AFPJuly 11, 2018